Glass mug



FIG. 1 is an isometric view of a glass mug showing my new design;

FIG. 2 is another isometric view from a different angle;

FIG. 3 is a side elevation;

FIG. 4 is an end elevation showing the handle;

FIG. 5 is a top plan view;

FIG. 6 is a bottom plan view. 

The ornamental design for a glass mug, substantially as shown and described. 